<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org" lang="en">
<head>
    <meta charset="UTF-8">
    <title>系统错误</title>
    <!-- 最新版本的 Bootstrap 核心 CSS 文件 -->
    <link rel="stylesheet" href="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/3.4.1/css/bootstrap.min.css" integrity="sha384-HSMxcRTRxnN+Bdg0JdbxYKrThecOKuH5zCYotlSAcp1+c8xmyTe9GYg1l9a69psu" crossorigin="anonymous">

    <!-- 可选的 Bootstrap 主题文件（一般不用引入） -->
    <link rel="stylesheet" href="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/3.4.1/css/bootstrap-theme.min.css" integrity="sha384-6pzBo3FDv/PJ8r2KRkGHifhEocL+1X2rVCTTkUfGk7/0pbek5mMa1upzvWbrUbOZ" crossorigin="anonymous">

    <!-- 最新的 Bootstrap 核心 JavaScript 文件 -->
    <script src="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/3.4.1/js/bootstrap.min.js" integrity="sha384-aJ21OjlMXNL5UyIl/XNwTMqvzeRMZH2w8c5cRVpzpU8Y5bApTppSuUkhZXN0VxHd" crossorigin="anonymous"></script>
    <style>
        .error-container {
            margin-top: 50px;
        }
        .error-card {
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }
        .error-icon {
            font-size: 72px;
            color: #d9534f;
        }
    </style>
</head>
<body>
<div class="container error-container">
    <div class="row">
        <div class="col-md-6 col-md-offset-3">
            <div class="panel panel-danger error-card">
                <div class="panel-heading">
                    <h3 class="panel-title text-center">
                        <i class="glyphicon glyphicon-exclamation-sign error-icon"></i>
                        <br>
                        系统发生错误
                    </h3>
                </div>
                <div class="panel-body">
                    <div class="alert alert-danger" th:if="${errorMsg}" th:text="${errorMsg}">
                        错误信息将显示在这里
                    </div>
                    <div class="text-center">
                        <a href="/" class="btn btn-primary">返回首页</a>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>
</body>
</html>